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Commit e0e6962

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gvanrossumgvanrossum
committed
Added PyCObject_Import.
1 parent 43d287a commit e0e6962

3 files changed

Lines changed: 44 additions & 18 deletions

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‎Include/cobject.h‎

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -62,6 +62,10 @@ PyCObject_FromVoidPtr Py_PROTO((void *cobj, void (*destruct)(void*)));
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extern void *
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PyCObject_AsVoidPtr Py_PROTO((PyObject *));
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/* Import a pointer to a C object from a module using a PyCObject. */
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extern void *
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PyCObject_Import Py_PROTO((char *module_name, char *cobject_name));
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#ifdef __cplusplus
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}
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#endif

‎Objects/cobject.c‎

Lines changed: 39 additions & 18 deletions
Original file line numberDiff line numberDiff line change
@@ -57,6 +57,44 @@ PyCObject_FromVoidPtr(cobj, destr)
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return (PyObject *)self;
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}
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void *
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PyCObject_AsVoidPtr(self)
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PyObject *self;
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{
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if(self)
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{
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if(self->ob_type == &PyCObject_Type)
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return ((PyCObject *)self)->cobject;
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PyErr_SetString(PyExc_TypeError,
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"PyCObject_AsVoidPtr with non-C-object");
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}
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if(! PyErr_Occurred())
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PyErr_SetString(PyExc_TypeError,
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"PyCObject_AsVoidPtr called with null pointer");
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return NULL;
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}
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void *
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PyCObject_Import(module_name, name)
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char *module_name;
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char *name;
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{
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PyObject *m, *c;
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void *r=NULL;
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if(m=PyImport_ImportModule(module_name))
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{
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if(c=PyObject_GetAttrString(m,name))
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{
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r=PyCObject_AsVoidPtr(c);
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Py_DECREF(c);
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}
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Py_DECREF(m);
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}
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return r;
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}
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static void
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PyCObject_dealloc(self)
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PyCObject *self;
@@ -65,6 +103,7 @@ PyCObject_dealloc(self)
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PyMem_DEL(self);
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}
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static char PyCObject_Type__doc__[] =
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"C objects to be exported from one extension module to another\n\
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\n\
@@ -98,21 +137,3 @@ PyTypeObject PyCObject_Type = {
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0L,0L,0L,0L,
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PyCObject_Type__doc__ /* Documentation string */
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};
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void *
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PyCObject_AsVoidPtr(self)
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PyObject *self;
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{
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if(self)
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{
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if(self->ob_type == &PyCObject_Type)
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return ((PyCObject *)self)->cobject;
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PyErr_SetString(PyExc_TypeError,
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"PyCObject_AsVoidPtr with non-C-object");
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}
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if(! PyErr_Occurred())
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PyErr_SetString(
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PyExc_TypeError,
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"PyCObject_AsVoidPtr called with null pointer");
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return NULL;
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}

‎PC/python_nt.def‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -351,4 +351,5 @@ EXPORTS
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_Py_c_diff
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PyCObject_FromVoidPtr
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PyCObject_AsVoidPtr
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PyCObject_Import
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Py_GetBuildInfo

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